题库网 (tiku.one)

 找回密码
 立即注册

 

      

上传图片附件

未使用图片

小贴士: 允许的图片文件格式为: gif, jpg, jpeg, png, webp,上传完成后会在上方生成预览,用鼠标连续双击缩略图,或拖动缩略图,该图片就被绑定至本题,显示在题目下方

本次作答已使用

小贴士: 此栏目显示的是当前作答使用的所有图片,绑定到某一题目的图片同时会显示在该题目下方; 删除使用的图片会将其转移到<未使用图片>类别


习题练习:IB Physics Homework 5: A1 kinematics - 2D Vectors (SL & HL)

 作者: test   总分: 30分  得分: _____________

答题人: 游客未登录  开始时间: 25年10月19日 23:05  切换到: 整卷模式

标记此题
1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which one of the following ifrd-az0cr ) g 9 (d)utirg ,+,)rilxjps an example of a vector quantity?

参考答案:    

标记此题
2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the followi6shsr 7cc;8c2b /wssung operations will not change a vector?

参考答案:    

标记此题
3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following is:mir 2zv yxljy(m/vd6 9d+ n-t an accurate statement?

参考答案:    

标记此题
4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resultant of two vectpu/5b e;xd+px u kgs*+ors is the smallest when the angle between them is

参考答案:    

标记此题
5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two displacement vectors have magnitudes of 5.0 m and 7.0 m,t +p4qtxp .euw;5o t:lw tnv -ic72qneb bf8:, respectively. When these two vectors are addebqbne::wt 5o pve4un fi;tt .w - xtlc87q,2p+d, the magnitude of the sum

参考答案:    

标记此题
6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two vectors, of magnitudes 20 and 50, are added. Which one of the follo- sq :ovwd.zm6*ud7glq ueebn2* m )v,wing is a -zq76eq nlbvvm gu.,u*o e w*ms:2d)dpossible answer for the magnitude of the resultant?

参考答案:    

标记此题
7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Three forces, each having a magnitude of 30 N, pull on an object in directions 5pkzhreyxa)b*pa0 i3 ck-*g 6)0gykmthat0e0 zk35r-)a*y acpyk*bh igmkp x)6g are $120^{\circ}$ apart from each other. Make a statement concerning the resultant force.

参考答案:    

标记此题
8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In the diagram shown oe a+remn:o b ;n;.no-+oua-o, the unknown vector is


参考答案:    

标记此题
9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Ignoring air resistance, the horizontal cohn9 7o d;y-w25 mojnjlmponent of a projectile's velocity

参考答案:    

标记此题
10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Vector A has magnitude 8.0 m m )agzf ojtw )9/mdug bjqkq7;5, b+y,at an angle of 30 degrees below the +x axis. The y component of A isw)j +godamy5;j,/m7 u,qg) 9 tz bqfkb

参考答案:    

标记此题
11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If you walk 6.0 km in a strv2t- znli- q5haight line in a direction north of east and you end up 2.0 km north and several kilometers east. How many degrees no ni th-ql-v25zrth of east have you walked?

参考答案:    

标记此题
12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A butterfly moves with a speed of 12.0 m/s. The x component of its vonduz5+5ju7 l 5z/z+:r 2iq anxywd0s elocity is 8.00 m/s. The angle between the direction of its motion and tqu:0 5i5 nd +l+d/z o27a nzxuyjwsz5rhe x axis must be

参考答案:    

标记此题
13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 400-m tall tower casts *vd1cbc9 5sw da 600-m long shadow over a level ground. At what angle is the Sun1 w*dcsdbv95 c elevated above the horizon?

参考答案:    

标记此题
14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two vectors A and B have components (0, 1) and (-1, 3), respectivel.*e b- gpvfl:e :sa,suy. What are the components of thf.pe-*sga,l uev sb: :e sum of these two vectors?

参考答案:    

标记此题
15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two vectors A and B have components (0, 1) and (-1, 3), respectively. What :k0 -ji3fa,+ hb1an lp w,sxzdis s+j: ,b- 1znixh ,3fw0kapdlamagnitude of the sum of these two vectors?

参考答案:    

标记此题
16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Vector A = (1, 3). Vector B = (3u*1 b n2(ff98mpan/5nna)sm vdgb/rw, 0). Vector C = A + B . What is the magnitudef)rn s8*2nbma/ fv1 ubn9w(admg/ 5pn of C ?

参考答案:    

标记此题
17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A car travels 20 km West, then 20 km South. What is h 4 6,y.zvlhdethe magnitude of its displacelzd,h6h y .v4ement?

参考答案:    

标记此题
18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Three vectors, expressed in j0 szjp.0y 8uuCartesian coordinates, are
S = (-3.5,+4.5)
T = (0,-6.5)
U = (+5.5,-2.5)
What is the magnitude of the resultant vector S + T + U ?

参考答案:    

标记此题
19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Three vectors, expressed in Cartesiaa5edof 7,in3 xn coordinates, are
S = (-3.5,+4.5)
T = (0,-6.5)
U = (+5.5,-2.5)
What is the angle of the resultant vector S + T + U measured from the positive x axis?

参考答案:    

标记此题
20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If vector A = (-3.0, -4.0) anuk14c) wr f* up6cj 4nrthn..rd vector B = (+3.0, -8.0), what is the magnitude of vectu .1rwc)c6u. 4nrk *4htj frpnor C = A - B ?

参考答案:    

标记此题
21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A runner runs halfway around5x) gj xija-4pd *8bay a circular path of radius 10 m. What is the displacement of the jogge 5 pixy*gjbdja4)8- axr?

参考答案:    

标记此题
22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two forces are acting on an object as shown in Fig. bee :/wc/jtne6e/th-d*k 8e m kelow. What is the magnitude of the resultant fee e* 8kwmkhj :t-e//te c6/dnorce?


参考答案:    

标记此题
23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two forces are acting on an object as sv(tq dc b vfddka:4vug,8-2 *shown in Fig. below. What is the direction of thedvg4-2(: bvvta* uds 8 cf,kqd resultant force?


参考答案:    

标记此题
24#
 
填空题 ( 2.0 分) 切至整卷模式 搜藏此题  
  Vector A is 3.5 cm long and points along the positive x axis. Vector B is 5ad+t k 7 7yveu/785tml iaaj;52sxzsn.9 cm long andtka yt/mjdva5u8nzil2ex7s 7a 57s +; points at $+41^{\circ}$ to the negative x axis.
(a) Determine the x component of Vector A $A_x =$ (数值)  $cm$ and y component of Vector A $A_y =$ (数值)  $cm$
(b) Determine the x component of Vector B $B_x =$ (数值)  $cm$ and y component of Vector B $B_y =$ (数值)  $cm$
(c) Determine the sum of these two vectors in terms of components. $R_x=$  (数值)  $cm$ and $R_y=$  (数值)  $cm$
(d) Determine the sum of these two vectors in terms of magnitude  (数值)  $cm$ and the tangent value of the direction angle (measured from the posive x axis rotated in the counterclock wise direction) $\tan \theta = $  (数值) 
Please only fill in numerical values in the above blanks!

参考答案:    

标记此题
25#
 
填空题 ( 2.0 分) 切至整卷模式 搜藏此题  
  Vector A is 87 cm long and point+ta5/2mfjlw p8 ()m11jxyg wu jusah +s at $30^{\circ}$ above the positive x axis. Vector B is 18 cm long
and points along the negative x axis. Vector C is 28 cm long and points at $45^{\circ}$ below the negative x axis.
(a) Determine the x and y components of Vector A: $A_x=$  (数值)  $cm$ and $A_y=$  (数值)  $cm$
(b) Determine the x and y components of Vector B: $B_x=$  (数值)  $cm$ and $B_y=$  (数值)  $cm$
(c) Determine the x and y components of Vector C: $C_x=$  (数值)  $cm$ and $C_y=$  (数值)  $cm$
(d) Determine the sum of these three vectors in terms of components. $R_x=$  (数值)  $cm$ and $R_y=$  (数值)  $cm$
(e) Determine the sum of these three vectors in terms of magnitude  (数值)  $cm$ and the tangent value of the direction angle (measured from the positive x-axis rotated in the counterclock wise direction) $\tan \theta=$  (数值) 
(Please only fill in numerical value in the above blanks!)

参考答案:    

标记此题
26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A plane has an air speed of 200 m/s due North, and is iylqwyyb*qf1z),p :3j n a wind of 50.0 m/s to the West. The pbfjl *)y1:,qw yq3ypzlane's speed relative to the ground is

参考答案:    

标记此题
27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A plane is flying due South (3/ q:7kxeyhi+g9nsvr $270^{\circ}$) at 500 km/h. A wind blows from East to West ($180^{\circ}$) at 45.0 km/h. Find the plane's velocity with respect to the ground.

参考答案:    

标记此题
28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An airplane with a speed of 120 km/h is ovo 1b*hwrx6r e3f,1o headed $30.0^{\circ}$ east of north in a wind blowing due west at 30.0 km/h. What is the speed of the plane relative to the ground?

参考答案:    

总分:30分 及格:18分 时间:不限时
未答题: 已答题:0 答错题:
当前第 题,此次习题练习共有 28 道题
本平台(https://autodiscover.tiku.one/)支持练习,作业与考试(自动评分)三种模式,群组成绩统计排序导出,题目动态变量实现同卷千人千题
如果您对本系统感兴趣,想加入我们或者想进行任何形式的合作,请加微信 skysky1258

浏览记录|手机版首页|使用帮助|题库网 (https://tiku.one)

GMT+8, 2025-12-10 20:25 , Processed in 0.248056 second(s), 79 queries , Redis On.